205597535144 has 16 divisors (see below), whose sum is σ = 385591644000. Its totient is φ = 102773096752.

The previous prime is 205597535089. The next prime is 205597535147. The reversal of 205597535144 is 441535795502.

205597535144 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 205597535092 and 205597535101.

It is not an unprimeable number, because it can be changed into a prime (205597535147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3174794 + ... + 3238905.

It is an arithmetic number, because the mean of its divisors is an integer number (24099477750).

Almost surely, 2^205597535144 is an apocalyptic number.

It is an amenable number.

205597535144 is a deficient number, since it is larger than the sum of its proper divisors (179994108856).

205597535144 is a wasteful number, since it uses less digits than its factorization.

205597535144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6417712 (or 6417708 counting only the distinct ones).

The product of its (nonzero) digits is 3780000, while the sum is 50.

The spelling of 205597535144 in words is "two hundred five billion, five hundred ninety-seven million, five hundred thirty-five thousand, one hundred forty-four".